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Individual Calculations July 2019 |
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| Zhou, Iris Yi-Xian Total change: 2.40 | |   |
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| 16th Annual Susan Polgar Foundation Girls' Invitational | St. Louis, Missouri | USA | 2019-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1826 | 2.00 | 4 | 0.06 | 40 | 2.40 | |
|  Mok, Gillian | | | 1426 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wu, Rochelle | | wm | 2184 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Nguyen, Emily Quynh | | wm | 2108 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Diaz Charpentier, Kristel Meliss | | | 1621 | CRC | 0.50 | 1 | -0.26 | 40 | -10.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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